/* 头部 */
.header{
    position: fixed;
    top: 0;
    margin: 0 auto;
    width: 100%;
    height: 90px;
    z-index: 99999;
    background: rgba(255,255,255);
}
.header .nav{
    width: 1170px;
    height: 100%;
    margin-right: auto;
    margin-left: auto;
    padding-left: 15px;
    padding-right: 15px;
}
.test{
    display: none;
}
.header .nav .logo{
    float: left;
    display: block;
    margin: 18px 0;
    width: 201px;
    height: 54px;
    background: url(../imgs/001.png) no-repeat;
    background-size: auto 54px;
    text-indent: -99999px;
    opacity: 1;
}
.header .nav ul{
    float: right;
    margin-bottom: 0;
    margin-top: 0;
}
.header .nav ul li{
    float: left;
    margin-left: 60px;
}
.header .nav ul .active a{
    color: #fe0000;
    text-decoration: none;
}
.header .nav ul li a{
    position: relative;
    display: block;
    color: #858585;
    height: 90px;
    line-height: 90px;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 23px;
}
.header .nav ul li a:hover{
    color: #fe0000;
}
.page{
    overflow: hidden;
    width: 100%;
    /* margin-top: 90px; */
    padding-top: 170px;
    padding-bottom: 130px;
    background-color: #eee;
}
.section{
    margin-right: auto;
    margin-left: auto;
    padding-left: 15px;
    padding-right: 15px;
    width: 1170px;
}
.section .set{
    margin-left: -15px;
    margin-right: -15px;
    padding-top: 40px;
    padding-bottom: 50px;
}
.section .set .set1{
    position: relative;
    min-height: 1px;
    padding-left: 15px;
    padding-right: 15px;
    width: 750px;
    float: left;
}
.section .set .set1 h2{
    margin-bottom: 30px;
    font-size: 32px;
    margin-top: 20px;
}
.section .set .set1 h2 strong{
    font-weight: bold;
}
.section .set .set1 p{
    line-height: 2;
    margin: 0 0 10px;
    font-size: 14px;
}
.section .set .set2{
    width: 32%;
    float: left;
    position: relative;
    min-height: 1px;
    padding-left: 15px;
    padding-right: 15px;
}
/* 底部 */
footer{
    width: 100%;
    height: 100px;
    padding: 30px 0;
    background-color: #4c4c4c;
    text-align: center;
}
.footer{
    width: 1170px;
    height: 76px;
    margin: 0 auto;
    color: white;
    text-align: center;
}
.footer .footer_1 ul{
    width: 450px;
    height: 20px;
    margin-bottom: 15px;
    padding-left: 0;
    list-style: none;
    margin: 15px auto;
}
.footer .footer_1 ul li{
    width: 60px;
    height: 20px;
    margin: 0 10px;
    display: inline-block;
    padding-left: 5px;
    padding-right: 5px;
    color: #acacac;
    text-align: center;
    float: left;
}
.footer .footer_1 ul li:hover{
    color: white;
}
.footer .footer_2{
    height: 30px;
    color: #ccc;
}
.footer .footer_2 b{
    font-weight: bold;
}
.footer .footer_2 b:hover{
    color: #db2626;
}
/* 回到顶部 */
.backTop{
    position: fixed;
    right: 50px;
    bottom: 50px;
    z-index: 9000;
}
.backTop span{
    display: block;
    width: 48px;
    height: 48px;
    border-radius: 100%;
    background-color: #ccc;
    color: #333;
    text-align: center;
    text-decoration: none;
}
.backTop span i{
    font-size: 36px;
    margin-top: 3px;
}